Bulls' Nikola Mirotic with Tom Thibodeau and Gar Forman

Bulls head coach Tom Thibodeau (left) and General Manager Gar Forman (right) stand next to hands Nikola Mirotic as he holds up his jersey during a press conference at the United Center on Friday.

Bulls head coach Tom Thibodeau (left) and General Manager Gar Forman (right) stand next to hands Nikola Mirotic as he holds up his jersey during a press conference at the United Center on Friday. (Phil Velasquez / Chicago Tribune)

Bulls head coach Tom Thibodeau (left) and General Manager Gar Forman (right) stand next to hands Nikola Mirotic as he holds up his jersey during a press conference at the United Center on Friday.